Amflo 205ATD Heavy-Duty Series Angle Tip Blow Gun. Heavy-Duty construction and rubber tip. Excellent for blowing out automatic transmissions. Blow gun does not have a safety bypass to prevent tip pressure buildup in the event of blockage. Complies with the requirements of OSHA 1910.242b when used on a regulated line of 30 PSI or less. Use male threaded pulg (1/4" NPT). Make sure plug is securely tightened to blow gun.